Home / 6,239.63-8,610.68-3,445.31

Finding the Fourth Proportional to 6,239.63, 8,610.68 and 3,445.31

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Solution

The fourth proportional to 6,239.63, 8,610.68 and 3,445.31 is: 4,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.63 : 8,610.68 = 3,445.31 : x
  2. Step 2: Convert to fraction form
    6,239.63/8,610.68 = 3,445.31/x
  3. Step 3: Cross multiply
    6,239.63x = 8,610.68 × 3,445.31
  4. Step 4: Simplify right side
    6,239.63x = 29,666,427.47
  5. Step 5: Solve for x
    x = 29,666,427.47/6,239.63
  6. Step 6: Final answer
    x = 4,754.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.